---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4013 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 26G 130G 17% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 820 13380 4 17891 30799 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:5c:3b:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.55/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84478sec preferred_lft 84478sec inet6 fe80::f816:3eff:fe5c:3bf8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:ea:59:a7:6e:6c brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::44ea:59ff:fea7:6e6c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-4013) 09/21/26 _x86_64_ (8 CPU) 22:18:24 LINUX RESTART (8 CPU) 22:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:16 592.58 4.68 569.35 18.56 302.76 70461.68 69432.14 22:40:16 47.19 0.56 44.10 2.54 11.61 2586.43 1254.39 22:50:16 17.90 3.07 13.28 1.55 170.56 680.56 10637.65 Average: 222.35 2.78 211.92 7.64 162.83 24960.07 27462.15 22:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:16 2922824 22453912 9704516 29.53 569876 18100908 14214500 41.92 4609496 21723088 620 22:40:16 237988 18833392 13319216 40.53 564208 17167484 19505344 57.52 4708156 24246488 528 22:50:16 13696512 31528756 662848 2.02 567592 16402488 1644852 4.85 4516336 12970000 24776 Average: 5619108 24272020 7895527 24.03 567225 17223627 11788232 34.76 4611329 19646525 8641 22:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:16 lo 0.89 0.89 0.08 0.08 0.00 0.00 0.00 0.00 22:30:16 ens3 490.95 307.15 5161.57 88.31 0.00 0.00 0.00 0.00 22:30:16 docker0 32.06 57.85 1.84 840.57 0.00 0.00 0.00 0.00 22:30:16 br-62ea531fcf5d 0.20 0.19 0.01 0.01 0.00 0.00 0.00 0.00 22:30:16 veth3f7a731 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 22:30:16 vethdced28a 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 22:30:16 vethd0c6daa 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 22:30:16 vethed203eb 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 22:30:16 veth6f7f2cd 0.98 1.05 0.81 0.10 0.00 0.00 0.00 0.00 22:30:16 vethb96075a 0.95 0.94 0.09 0.81 0.00 0.00 0.00 0.00 22:40:16 lo 2.69 2.69 7.59 7.59 0.00 0.00 0.00 0.00 22:40:16 ens3 10.12 8.06 3.78 3.57 0.00 0.00 0.00 0.00 22:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:16 br-62ea531fcf5d 1.47 1.37 7.19 0.40 0.00 0.00 0.00 0.00 22:40:16 veth3f7a731 0.10 0.12 0.01 0.03 0.00 0.00 0.00 0.00 22:40:16 vethdced28a 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 22:40:16 vethd0c6daa 0.54 0.39 0.07 0.35 0.00 0.00 0.00 0.00 22:40:16 vethed203eb 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 22:40:16 veth6f7f2cd 156.19 167.85 106.42 79.82 0.00 0.00 0.00 0.01 22:40:16 vethe7a3a0b 96.89 89.72 67.34 47.14 0.00 0.00 0.00 0.01 22:40:16 vethba525c7 72.18 66.79 33.51 59.95 0.00 0.00 0.00 0.00 22:50:16 lo 8.34 8.34 49.42 49.42 0.00 0.00 0.00 0.00 22:50:16 ens3 12.41 9.87 6.05 6.32 0.00 0.00 0.00 0.00 22:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.95 3.95 18.87 18.87 0.00 0.00 0.00 0.00 Average: ens3 173.84 110.02 1752.56 33.20 0.00 0.00 0.00 0.00 Average: docker0 10.86 19.60 0.62 284.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-4013) 09/21/26 _x86_64_ (8 CPU) 22:18:24 LINUX RESTART (8 CPU) 22:20:01 CPU %user %nice %system %iowait %steal %idle 22:30:16 all 34.49 0.00 5.50 1.72 0.04 58.23 22:30:16 0 30.19 0.00 5.30 1.89 0.04 62.59 22:30:16 1 35.33 0.00 6.05 1.94 0.05 56.64 22:30:16 2 39.24 0.00 5.45 1.62 0.04 53.64 22:30:16 3 35.96 0.00 5.28 1.65 0.05 57.05 22:30:16 4 32.42 0.00 5.70 1.98 0.04 59.85 22:30:16 5 34.28 0.00 5.59 1.68 0.04 58.41 22:30:16 6 34.83 0.00 5.49 1.20 0.05 58.42 22:30:16 7 33.70 0.00 5.15 1.83 0.05 59.26 22:40:16 all 8.68 0.02 1.37 0.26 0.04 89.63 22:40:16 0 8.41 0.03 1.75 0.54 0.04 89.22 22:40:16 1 9.21 0.01 1.64 0.14 0.04 88.96 22:40:16 2 10.31 0.02 1.59 0.52 0.04 87.52 22:40:16 3 8.15 0.01 1.24 0.16 0.04 90.39 22:40:16 4 9.46 0.03 1.16 0.09 0.04 89.22 22:40:16 5 7.14 0.02 1.20 0.31 0.04 91.29 22:40:16 6 8.57 0.02 1.25 0.20 0.04 89.92 22:40:16 7 8.17 0.02 1.16 0.08 0.04 90.54 22:50:16 all 5.00 0.00 1.31 0.08 0.04 93.57 22:50:16 0 4.98 0.00 1.79 0.14 0.04 93.05 22:50:16 1 4.99 0.00 1.43 0.07 0.03 93.48 22:50:16 2 6.31 0.00 1.45 0.07 0.04 92.13 22:50:16 3 6.27 0.00 1.24 0.06 0.04 92.38 22:50:16 4 5.03 0.00 1.17 0.04 0.04 93.72 22:50:16 5 3.71 0.00 1.08 0.06 0.04 95.12 22:50:16 6 4.67 0.00 1.13 0.04 0.04 94.13 22:50:16 7 4.06 0.00 1.20 0.15 0.04 94.55 Average: all 16.21 0.01 2.75 0.70 0.04 80.29 Average: 0 14.63 0.01 2.96 0.86 0.04 81.49 Average: 1 16.69 0.00 3.07 0.73 0.04 79.47 Average: 2 18.79 0.01 2.85 0.75 0.04 77.56 Average: 3 16.95 0.01 2.61 0.63 0.04 79.75 Average: 4 15.78 0.01 2.70 0.72 0.04 80.76 Average: 5 15.20 0.01 2.65 0.69 0.04 81.42 Average: 6 16.18 0.01 2.65 0.48 0.04 80.64 Average: 7 15.47 0.01 2.53 0.70 0.04 81.26